It is generally recommended to wash fitness sportswear after each use. This is because sweat and bacteria can build up on the fabric, leading to unpleasant odors and potential skin irritation. Washing the sportswear after each use helps to maintain its quality and performance, as well as ensure proper hygiene. If the sportswear is particularly sweaty or soiled, it should be washed immediately to prevent bacteria growth. **

No, the question does not refer to appearance. It is asking about the topic or subject matter being discussed. Appearance typically refers to how something looks or appears visually, whereas this question is inquiring about the content or focus of a discussion. **

177 typically refers to the year 177 AD, which was a year in the 2nd century of the Common Era. It could also refer to the number 177 in a sequence or list. Additionally, 177 could be a code, reference number, or part of a product name or model number. **

C1 refers to the Common European Framework of Reference for Languages (CEFR) level C1, which is an advanced level of proficiency in a language. At this level, individuals can understand a wide range of demanding, longer texts, and express themselves fluently and spontaneously. They can use language flexibly and effectively for social, academic, and professional purposes. **

188 is a three-digit number that can refer to various things depending on the context. It could be a street address, a room number, a code, a year in history, or simply a random number. Without additional information, it is difficult to determine the specific meaning of 188. **

Canon refers to a collection of works that are considered to be authoritative or accepted as genuine within a particular field or tradition. In literature, the canon typically includes works that are considered to be of high literary merit and have had a lasting impact on the development of literature. The concept of the canon can vary depending on the cultural, historical, and social context in which it is being discussed. **

131 refers to the atomic number of the chemical element Iodine. Iodine is a non-metal element that is essential for human health, particularly for the proper functioning of the thyroid gland. It is commonly found in seafood and iodized salt, and plays a crucial role in the production of thyroid hormones that regulate metabolism. **

185 refers to a numerical value or quantity. It could represent different things depending on the context in which it is used, such as a house number, a page number, a measurement, a code, or any other numerical identifier. Without additional information, it is not possible to determine the specific meaning of 185. **